Related Clues:

• 'Not gonna happen'
• Casual "I'll pass"
• "Um, no thanks"
• Opposite of 49-Across
• Slangy "No way"
• Opposite of "yep"
• "Sorry, can't"
• 'Uh-unh'
• "Forget about it"
• "Nothing doing"
• 'Not for me'
• "Ain't happening!"
• "Rather not!"
• 'On second thought, forget it'
• A gruff no